Since the concepts of digital coding metasurface and programmable metasurface were put forward in 2014, the physical world of electromagnetics has been closely connected to the digital world of ...

Since the beginning of telecommunications in the early 20th century, telcom carriers and broadcasters have striven to transmit as much information as possible while conserving the limited bandwidth of ...

Multiplexing is a technique for carrying multiple channels of information within a common signal. Although usually thought of as a digital process, the method was actually pioneered many years ago as ...